CN102889058A - Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill - Google Patents
Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill Download PDFInfo
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- CN102889058A CN102889058A CN2011102073361A CN201110207336A CN102889058A CN 102889058 A CN102889058 A CN 102889058A CN 2011102073361 A CN2011102073361 A CN 2011102073361A CN 201110207336 A CN201110207336 A CN 201110207336A CN 102889058 A CN102889058 A CN 102889058A
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- reversing gear
- supporting leg
- leg type
- hammer drill
- driving lever
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Abstract
The invention discloses a landing leg type rock drill and a reversing operating mechanism for the landing leg type rock drill. The reversing operating mechanism comprises a handle, a pressure adjusting valve, an elastic part and a reversing valve, wherein the pressure adjusting valve is mounted in a pressure adjusting valve cavity of the handle; the reversing valve is mounted in the pressure adjusting valve; a driving end is arranged at the left end of the reversing valve; the right end of the reversing valve is butted against the handle through the elastic part; the reversing operating mechanism further comprises a stirring rod which is arranged on the left side of the handle; the stirring rod comprises a connecting end, an operation part and a striking head; the connecting end is in rotating connection with a long screw rod on the rock drill; and the striking head is located on the left side at the driving end of the reversing valve and is corresponding to the position of the driving end. The reversing operating mechanism for the landing leg type rock drill has the advantages that the operation space of the reversing operating mechanism is obviously increased, the handling property is increased, an operator can more conveniently, quickly and accurately apply an acting force to the stirring rod so as to drive a piston cavity of a landing leg to reverse, the operator is convenient to operate, and the technical effects of labor saving, quick acting, safety ensuring, and the like, are achieved.
Description
Technical field
The present invention relates to the hammer drill field, relate in particular to a kind of reversing gear and a kind of supporting leg type hammer drill of supporting leg type hammer drill.
Background technology
Traditional supporting leg type hammer drill is divided into leg type hydraulic quarrying machine and supporting leg type air rock drill usually according to the difference of type of drive (air pressure or hydraulic pressure).These two kinds of supporting leg type hammer drill are lower in working order mainly to utilize supporting leg that hammer drill integral body is supported, the drilling tool of avoiding hammer drill forward during the drilling rock borehole hammer drill fall back backward or be offset, thereby guarantee drill location accurately, ensure safety and increase work efficiency.
Supporting leg is comprised of piston rod and the plunger shaft that is used for accommodating piston rod usually, and piston rod is divided into epicoele and cavity of resorption with plunger shaft, according to the difference of supporting leg type hammer drill type of drive, and blanketing gas or liquid medium in the plunger shaft.Reversing gear can utilize the reversal valve control medium to enter epicoele or the cavity of resorption of plunger shaft along medium pipeline, realizes commutation thereby the driven plunger chamber is extended or retracted.When stretched out in the epicoele driven plunger chamber that medium enters plunger shaft, plunger shaft advanced hammer drill to play a supporting role by coupling spindle; When medium entered the cavity of resorption driven plunger chamber indentation of plunger shaft, plunger shaft was cancelled for the supporting role of hammer drill and is convenient to its displacement.The above program that supports hammer drill by reversing gear control supporting leg not only is included in the Drilling process of each borehole, and in the situation that rock fracture causes stopping boring or the drill steel fracture, should cancel support force by reversing gear control supporting leg safely, fast and accurately, to reduce potential safety hazard.
As shown in Figure 1, the reversing gear of existing supporting leg type hammer drill generally include left hand 1, plate machine 2, reversal valve 3, pressure regulator valve 4, handle body 5, spring 6, right handgrip 7, glue axle 8 and glue the ingredients such as 9, reversal valve 3 is installed in pressure regulator valve 4 inside, handle body 5 is enclosed within pressure regulator valve 4 outsides and right-hand member sealing, the spheroid end of reversal valve 3 left ends exposes pressure regulator valve 4, and right-hand member props up the inwall of handle body 5 by spring 6.Reversal valve 3 is used for control medium and enters epicoele or the cavity of resorption of plunger shaft by medium pipeline, and pressure regulator valve 4 is used for the support force size of control supporting leg.It is hand-held that left handle 1 and right handle 7 lay respectively at the both sides convenient operation personnel of mechanism, and glue is arranged on axle 8 and glue the mechanism bottom to 9 and cooperates installation with left handle 1 and right handle 7.Plate machine 2 is installed in the inboard of left handle 1, and its integrally bending and middle part have fulcrum A, the lower end behaviour hand operation end of plate machine 2, and the upper end is corresponding with the spheroid end position of reversal valve 3.
When hammer drill was in normal operating conditions, reversal valve 3 control mediums entered the epicoele driven plunger chamber of plunger shaft and stretch out; When needing commutation, operating personnel pull by hand the operating side of plate machine 2 and it are applied left active force P
1According to lever principle, plate machine 2 applies to the right active force P around fulcrum A rotation to the spheroid end of reversal valve 3, moves to right to drive reversal valve 3, by controlling default medium pipeline, reversal valve 3 makes rapidly medium enter the cavity of resorption of plunger shaft and the indentation of driven plunger chamber along pipeline; When operating personnel cancel active force P for the operating side of plate machine 2
1After, reversal valve 3 moves to left under the effect of spring 6 and resets, and stretch out in the epicoele driven plunger chamber that makes simultaneously medium enter plunger shaft, and hammer drill can recover normal operating conditions and continue rock drilling.
Yet this reversing gear is arranged on plate machine 2 left handle 1 inboard and is positioned at handle body 5 belows, and fulcrum A is located at plate machine 2 middle parts, be subject to the restriction of installing space, the operation that staff is pulled is very inconvenient, and it is less to pull amplitude, makes reversing gear handling bad.Particularly, because active force P
1The moment that produces and the arm of force of plate machine 2 are in close relations, in the situation that the arm of force is limited, operating personnel need to apply larger active force P
1Could produce enough large active force P to the spheroid end of reversal valve 3, probably can't make the plunger shaft normal commutation because active force P is less than normal; In addition, when under the fortuitous events such as drill steel fracture, requiring to cancel rapidly the supporting role to hammer drill, because the 2 operation inconvenience of plate machine, may produce that action lags behind or the phenomenon of maloperation, have certain potential safety hazard.
In addition, may also there be following problem in existing plate machine 2: adopt folder aldehyde fabric swatch manufacturing and easily because of stressed damage the repeatedly; Be processed into bending and increase equipment cost.
Summary of the invention
The main technical problem to be solved in the present invention is that a kind of reversing gear and a kind of supporting leg type hammer drill that improves the supporting leg type hammer drill of handling is provided.
For solving the problems of the technologies described above, the invention provides a kind of reversing gear of supporting leg type hammer drill, comprise handle body, pressure regulator valve, elastic component and the reversal valve that drives the plunger shaft commutation in the supporting leg by the control medium pipeline; Described pressure regulator valve is installed in the pressure regulation valve pocket of described handle body, it is inner that described reversal valve is installed in described pressure regulator valve, described reversal valve left end is drive end, right-hand member props up described handle body by described elastic component, also comprise the driving lever that is located at described handle body left side, described driving lever comprises link, operating portion and rams, and the long bolt on described link and the hammer drill body is rotationally connected, the described drive end left side of raming and being positioned at described reversal valve, and corresponding with described drive end position.
Preferably, described operating position is in the link of described driving lever and between raming.
Preferably, described operating portion also is connected with the handle that extends to the left.
The left side of described drive end is sphere.
For example, described link comprises connecting hole, and described connecting hole matches with the outside wall surface of nut on being installed in described long bolt.
Preferably, described handle body is positioned at described long bolt below.
Described driving lever can be the steel driving lever, and described elastic component is spring.。
The present invention has also protected a kind of supporting leg type hammer drill, comprises hammer drill body, supporting leg and reversing gear, and described supporting leg comprises piston rod and be used for the plunger shaft of accommodating described piston rod, and described reversing gear is above-described reversing gear.
Described supporting leg type hammer drill is leg type hydraulic quarrying machine or supporting leg type air rock drill.
The invention has the beneficial effects as follows: the driving lever that reversing gear of the present invention and the utilization of supporting leg type hammer drill are arranged on handle body left side drives reversal valve, and the pivot point of driving lever is positioned at driving lever one end, compared with prior art, significantly increased the operating space of reversing gear, improved that it is handling, make operating personnel can be convenient, fast and accurately driving lever is applied active force P
1Among the present invention, the change of driving lever pivot point has increased active force P
1The arm of force, saved manpower, and when under the fortuitous events such as drill steel fracture, requiring to cancel rapidly supporting role to hammer drill because the driving lever convenient operation, can not produce that action lags behind or the phenomenon of maloperation, eliminated potential safety hazard.
Description of drawings
Fig. 1 is a kind of generalized section of reversing gear of existing supporting leg type hammer drill;
Fig. 2 is the generalized section of reversing gear of the supporting leg type hammer drill of an embodiment of the present invention.
The specific embodiment
By reference to the accompanying drawings the present invention is described in further detail below by the specific embodiment.
The present invention is by structure and the assembling of part component in the reversing gear that improves hammer drill, optimized the mode of operation of reversal valve, improved its handling, not only be convenient to manually-operated, and reached saving manpower, quick acting, the technique effect such as ensure safety.
Please refer to Fig. 2, the reversing gear of the supporting leg type hammer drill of an embodiment of the present invention comprises the ingredients such as handle body 10, pressure regulator valve 20, reversal valve 30, driving lever 40 and elastic component 70.
Wherein, pressure regulator valve 20 is installed in the pressure regulation valve pocket of handle body 10, the sealing of handle body 10 right-hand members, and pressure regulator valve 20 is used for the support force size of the supporting leg of adjusting hammer drill.Reversal valve 30 is installed in pressure regulator valve 20 inside, and left end is drive end, and right-hand member props up handle body 10 by elastic component 70, is mainly used in commutating by the plunger shaft that the control medium pipeline drives in the supporting leg.Driving lever 40 is located at handle body 10 left sides, comprises link 41, operating portion and rams 43, and link 41 is rotationally connected and can freely rotates around it with long bolt 50 on the hammer drill body, rams 43 to be positioned on the left of the drive end of reversal valve 30 and corresponding with this drive end position.When hammer drill needs to commutate in normal operation, operating personnel make whole driving lever 40 be rotated counterclockwise take link 41 as fulcrum by the operating portion that drives driving lever 40, ram and 43 can move right and the drive end of reversal valve 30 is applied active force P, move to right to drive reversal valve 30, thereby air pressure or fluid pressure line 80 that control is default make medium enter rapidly the cavity of resorption of plunger shaft of supporting leg and the indentation of driven plunger chamber; After operating personnel cancelled driving force for the operating portion of driving lever 40, reversal valve 30 moved to left under the effect of elastic component 70 and resets, and stretch out in the epicoele driven plunger chamber that makes simultaneously medium enter plunger shaft, and hammer drill can recover normal operating conditions and continue rock drilling.
Preferably, for the ease of operation, handle body 10 is positioned at long bolt 50 belows.For example in a kind of embodiment, cover has special thick nut 60 on the long bolt 50 of M16, be used for fastening long bolt 50 and guarantee that handle body 10, impact cylinder (hydraulic cylinder or pneumatic cylinder) are connected as a single entity with rock driller head, the link 41 of driving lever 40 has connecting hole, and the cylindrical outer wall face of this connecting hole and nut matches and merges and can rotate freely along this outside wall surface.Because nut 60 can not make driving lever 40 move axially along long bolt 50 by the snap ring location, therefore guarantee the drive end of the 43 aligning reversal valves 30 of raming on the driving lever 40, avoid the occurrence positions skew.
In the present embodiment, the operating portion of driving lever 40 can and be ramed between 43 at the link 41 of driving lever 40, and making rams is positioned at driving lever 40 bottom, can save the mechanism space like this; Certainly also can 43 be arranged between operating portion and the link 41 raming.For handled easily, operating portion also is connected with the handle 42 that extends to the left, and handle 42 is perpendicular with driving lever 40, when operating personnel apply active force P downwards to handle 42
1The time, whole driving lever 40 is rotated counterclockwise take link 41 as fulcrum, driving rams 43 moves right and the drive end of reversal valve 30 is applied active force P.Although driving lever 40, handle 42 and ram and 43 all have certain gravity, this gravity is minimum at the axial component of reversal valve 30, and hammer drill can't overcome the elastic force of elastic body 70 in normal operation and meet accident and drive the maloperation of reversal valve 30.
In the present embodiment, the left surface of reversal valve 30 drive ends is sphere, and elastic component 70 is Compress Spring, and its left end props up reversal valve, and right-hand member props up the inwall of handle body 10 blind ends.Certainly according to concrete needs, drive end also can be designed to square or other shapes, and elastic component also can adopt other to have flexible part.
Further, driving lever 40 adopts to be made by 45# steel or other metal material, and satisfactory mechanical property is not fragile; Ram 43 and handle 42 can be connected as a single entity with driving lever 40, also can be fixed on the driving lever by the mode such as be spirally connected, in order to change when it damages, its simple shape has reduced processing cost.Hardness significantly strengthens after the 43 process Quenching Treatment of raming, and is not easy to wear, so application life is longer.
The present invention has also protected a kind of supporting leg type hammer drill, according to the difference of type of drive, can be leg type hydraulic quarrying machine or supporting leg type air rock drill, and hydraulic medium can be oil or water.The supporting leg type hammer drill comprises the ingredients such as hammer drill body, supporting leg and reversing gear.Body mainly comprises head, impacts cylinder and long bolt etc., supporting leg comprises piston rod and is used for the plunger shaft of accommodating piston rod, piston rod is divided into epicoele and cavity of resorption with plunger shaft, difference according to supporting leg type hammer drill type of drive, blanketing gas or liquid medium in the plunger shaft, reversing gear is above-described reversing gear, can utilize reversal valve control medium pipeline and makes medium enter epicoele or the cavity of resorption of plunger shaft, realizes commutation thereby the driven plunger chamber is extended or retracted.When stretched out in the epicoele driven plunger chamber that medium enters plunger shaft, plunger shaft advanced hammer drill to play a supporting role by coupling spindle; When medium entered the cavity of resorption driven plunger chamber indentation of plunger shaft, plunger shaft was cancelled for the supporting role of hammer drill and is convenient to its displacement.
The driving lever that reversing gear utilization of the present invention is arranged on handle body left side drives reversal valve, and the pivot point of driving lever is positioned at driving lever one end, compared with prior art, significantly increased the operating space, improved the handling of reversing gear, make operating personnel can be convenient, fast and accurately driving lever is applied active force P
1Among the present invention, the change of driving lever pivot point has increased active force P
1The arm of force, saved manpower, and when under the fortuitous events such as drill steel fracture, requiring to cancel rapidly supporting role to hammer drill because the driving lever convenient operation, can not produce that action lags behind or the phenomenon of maloperation, eliminated potential safety hazard.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the reversing gear of a supporting leg type hammer drill comprises handle body, pressure regulator valve, elastic component and the reversal valve that drives the plunger shaft commutation in the supporting leg by the control medium pipeline; Described pressure regulator valve is installed in the pressure regulation valve pocket of described handle body, it is inner that described reversal valve is installed in described pressure regulator valve, described reversal valve left end is drive end, right-hand member props up described handle body by described elastic component, it is characterized in that, also comprises the driving lever that is located at described handle body left side, described driving lever comprises link, operating portion and rams, long bolt on described link and the hammer drill body is rotationally connected, the described drive end left side of raming and being positioned at described reversal valve, and corresponding with described drive end position.
2. reversing gear as claimed in claim 1 is characterized in that, described operating position is in the link of described driving lever and between raming.
3. reversing gear as claimed in claim 1 is characterized in that, described operating portion also is connected with the handle that extends to the left.
4. reversing gear as claimed in claim 1 is characterized in that, the left side of described drive end is sphere.
5. such as each described reversing gear in the claim 1 to 4, it is characterized in that, described link comprises connecting hole, and described connecting hole matches with the outside wall surface of nut on being installed in described long bolt.
6. reversing gear as claimed in claim 5 is characterized in that, described handle body is positioned at described long bolt below.
7. such as each described reversing gear in the claim 1 to 4, it is characterized in that, described driving lever is the steel driving lever.
8. such as each described reversing gear in the claim 1 to 4, it is characterized in that, described elastic component is spring.
9. supporting leg type hammer drill, comprise hammer drill body, supporting leg and reversing gear, described supporting leg comprises piston rod and is used for the plunger shaft of accommodating described piston rod, and it is characterized in that, described reversing gear is each described reversing gear in the claim 1 to 8.
10. supporting leg type hammer drill as claimed in claim 9 is characterized in that, described supporting leg type hammer drill is leg type hydraulic quarrying machine or supporting leg type air rock drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207336.1A CN102889058B (en) | 2011-07-22 | 2011-07-22 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207336.1A CN102889058B (en) | 2011-07-22 | 2011-07-22 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102889058A true CN102889058A (en) | 2013-01-23 |
| CN102889058B CN102889058B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110207336.1A Expired - Fee Related CN102889058B (en) | 2011-07-22 | 2011-07-22 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
Country Status (1)
| Country | Link |
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| CN (1) | CN102889058B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216828A (en) * | 2021-06-21 | 2021-08-06 | 桂林航天工业学院 | Supporting leg type full-hydraulic rock drill |
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| JP2002213176A (en) * | 2001-01-19 | 2002-07-31 | Chuko Sangyo Kk | Tripod for drilling |
| CN2554328Y (en) * | 2002-05-13 | 2003-06-04 | 天水风动工具厂 | Airleg rock drill |
| CN2653108Y (en) * | 2003-10-29 | 2004-11-03 | 陕西海立重工有限公司 | Novel airleg rock drill |
| EP1696100A1 (en) * | 2005-01-24 | 2006-08-30 | Comacchio USA Corp. | Rotatable support for inclinable masts of drilling machines |
| CN201047250Y (en) * | 2007-01-05 | 2008-04-16 | 江阴长力科技有限公司 | Pneumatic power supporting leg type accessory anchor bolt drilling machine |
| CN201254954Y (en) * | 2008-09-10 | 2009-06-10 | 浙江衢州煤矿机械总厂有限公司 | Three-cylinder airleg matched with rock drill |
| CN202181853U (en) * | 2011-07-22 | 2012-04-04 | 深圳市普隆重工有限公司 | Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill |
-
2011
- 2011-07-22 CN CN201110207336.1A patent/CN102889058B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213176A (en) * | 2001-01-19 | 2002-07-31 | Chuko Sangyo Kk | Tripod for drilling |
| CN2554328Y (en) * | 2002-05-13 | 2003-06-04 | 天水风动工具厂 | Airleg rock drill |
| CN2653108Y (en) * | 2003-10-29 | 2004-11-03 | 陕西海立重工有限公司 | Novel airleg rock drill |
| EP1696100A1 (en) * | 2005-01-24 | 2006-08-30 | Comacchio USA Corp. | Rotatable support for inclinable masts of drilling machines |
| CN201047250Y (en) * | 2007-01-05 | 2008-04-16 | 江阴长力科技有限公司 | Pneumatic power supporting leg type accessory anchor bolt drilling machine |
| CN201254954Y (en) * | 2008-09-10 | 2009-06-10 | 浙江衢州煤矿机械总厂有限公司 | Three-cylinder airleg matched with rock drill |
| CN202181853U (en) * | 2011-07-22 | 2012-04-04 | 深圳市普隆重工有限公司 | Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216828A (en) * | 2021-06-21 | 2021-08-06 | 桂林航天工业学院 | Supporting leg type full-hydraulic rock drill |
| CN113216828B (en) * | 2021-06-21 | 2022-06-10 | 桂林航天工业学院 | Supporting leg type full-hydraulic rock drill |
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| Publication number | Publication date |
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| CN102889058B (en) | 2015-05-20 |
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